CN105537417A - Limiting lifting structure of blank holder mold of door sill inner plate connecting piece punching mold - Google Patents
Limiting lifting structure of blank holder mold of door sill inner plate connecting piece punching mold Download PDFInfo
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- CN105537417A CN105537417A CN201510912959.7A CN201510912959A CN105537417A CN 105537417 A CN105537417 A CN 105537417A CN 201510912959 A CN201510912959 A CN 201510912959A CN 105537417 A CN105537417 A CN 105537417A
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- insert
- blank holder
- holder mould
- mold
- lifting structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Punching Or Piercing (AREA)
Abstract
The invention discloses a limiting lifting structure of a blank holder mold of a door sill inner plate connecting piece punching mold. The door sill inner plate connecting piece punching mold includes an upper mold, the blank holder mold and a lower mold; an upper insert is fixedly arranged on the lower surface of the upper mold; a lower insert corresponding to the upper insert and used for punching consists of a middle insert and a lap of peripheral inserts along the periphery of the middle insert; the middle insert is wholly fixed on the upper surface of a convex base; the convex base is wholly fixed on a boss upwards projected on the bottom surface of a recess space in the upper surface of the lower mold; the peripheral inserts are fixedly embedded in the edge of the upper edge of a vertical hole with the cross section having the same projection shape with the middle insert in the vertical direction at the middle part of the blank holder mold; the limiting lifting structure comprises multiple cylinders uniformly distributed on the bottom surface of the recess space in the peripheral direction of the boss; and the upper ends of push rods of the multiple cylinders are fixedly connected to the lower surface of the blank holder mold. The limiting lifting structure has the advantages of simple structure, skillfulness and rationality.
Description
Technical field
The invention belongs to automobile door sill inner panel connector processing tool field, be specifically related to the spacing lifting structure of the blank holder mould of a kind of threshold internal plate connector diel.
Background technology
The sill plate inner panel of automobile is the sheet metal component of the strip being positioned at front/rear door threshold place in automotive body structure.Threshold internal plate connector is the sheet metal component for being connected with the gusset in automotive body structure by sill plate inner panel, if notification number is CN204368020U, the label in the technical scheme that name is called " a kind of automobile door sill inner panel assembly and automobile " is threshold internal plate connector for " 30-inner panel back segment " (see in Figure of description shown in Fig. 1).
At present, for carrying out the threshold internal plate connector that stamping forming mould once only can process monolithic shape structure as shown in Figure 1 to the sill plate inner panel of automobile, not only working (machining) efficiency is not high, and the curved lateral edges of the upside of the threshold internal plate connector processed is plane, cause the structural strength of this curved lateral edges also on the low side.
Based on this, applicant considers that designing the diel of a kind of threshold internal plate connector comprises upper die and lower die, and in the lower surface of described patrix, subordinate is convex is fixedly installed one piece of upper insert; The corresponding described upper insert of upper surface middle part of described counterdie is fixed epirelief and is provided with one piece of lower insert; And to form with two of horizontal positioned pieces of threshold internal plate connectors and the punching press die cavity of mating shapes in specular shape adjacent with its curved lateral edges by upper insert and lower insert, and the curved lateral edges that this punching press die cavity machines part is formed with continuous print concave/convex-shaped structure along its length direction.The continuous print concave/convex-shaped structure that this makes it possible to be formed by this curved side promotes edge strength, and can process two pieces of threshold internal plate connectors by above-mentioned punching press die cavity simultaneously, therefore can improve the efficiency of punch process.
Subsequently, applicant is again further by by lower insert design being the overall split-type structural by middle part insert and the circle periphery insert along described middle part insert periphery, and middle part insert is fixed on counterdie by location structure, periphery insert to be fixed on a blank holder mould and to do elevating movement by spacing lifting structure relative to counterdie.After this makes it possible to avoid utilizing this diel processing plate to complete, process friction larger between member and lower insert when feeding, thus better guarantee the quality of product.
But how designing the spacing lifting structure of the blank holder mould of a kind of structure ingenious rational threshold internal plate connector diel, is the technical problem that those skilled in the art need consider to solve.
Summary of the invention
For above-mentioned the deficiencies in the prior art, technical problem to be solved by this invention is: the spacing lifting structure how providing the blank holder mould of a kind of structure ingenious rational threshold internal plate connector diel.
In order to solve the problems of the technologies described above, present invention employs following technical scheme:
The spacing lifting structure of the blank holder mould of threshold internal plate connector diel, wherein, the diel of threshold internal plate connector comprises the patrix, blank holder mould and the counterdie that set gradually from top to bottom; The lower surface of described patrix is fixedly installed insert, corresponding with described upper insert and for stamping forming lower insert by middle part insert and enclose periphery insert along one of described middle part insert periphery and formed; Described middle part insert entirety is fixed on the upper surface of a projection seat, and described projection seat entirety is fixed on a convex-shaped and is formed on the boss of the bottom surface of the lower concave space of the upper surface of described counterdie; Described periphery insert embeds the middle part being fixedly installed on described blank holder mould and has cross section and the described middle part insert edge in the upper end of the consistent vertical core of the projection of shape of vertical direction; Described spacing lifting structure is included in multiple cylinders of the uniform setting in bottom surface of the described lower concave space of the circumference of described boss, and the upper end of the push rod of described multiple cylinder is fixedly connected on the lower surface of described blank holder mould.
Multiple cylinders in above-mentioned spacing lifting structure, take full advantage of the horizontal space in the described lower concave space of the circumference of described boss, can also fully effectively utilize lower concave space height select and the cylinder of applicable height be set.Meanwhile, after cylinder is arranged on lower concave space, is also convenient to arrange and cabling to the tracheae of cylinder, thus reduces the assembling difficulty of mold integral.And cylinder is uniform multiple, also can be formed and stable lifting is vertically gone up to blank holder mould support, thus make the motion more balance and stability of blank holder mould on vertical.
As preferably, described spacing lifting structure is also included in the uniform multiple projections be vertically fixedly installed in bottom surface of the described lower concave space of the circumference of described boss, and described projection top is fixed with the spacing pad of upper surface level.
When the setting of above-mentioned projection and upper limit pad thereof is positioned at lowest part in vertical height for supporting blank holder mould (now fixing on blank holder mould described periphery insert is formed into profile with the upper surface of the described middle part insert of fixing in described projection seat), thus stable support can be provided for the punching press of patrix, better guarantee the crudy of plate.
As improvement, the stroke limit guide post running through described blank holder mould that the periphery that described spacing lifting structure is also included in the bottom surface of the described lower concave space of the circumference of described boss is vertically fixedly installed, the upper end of described stroke limit guide post has diameter and comparatively greatly also can carry out spacing positive stop end to blank holder mould.
Above-mentioned stroke limit guide post is set and can not only keeps blank holder mould accurate location in the plane, more can play the guide effect of the motion to blank holder mould in the vertical direction, thus help the machining accuracy ensureing mould.In addition, after the upper end of stroke limit guide post is provided with above-mentioned positive stop end, can carry out effectively spacing to the stroke that the push rod of cylinder promotes blank holder mould on vertical.
The spacing lifting structure of the blank holder mould of threshold internal plate connector of the present invention diel, has structure simple, ingenious rational advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the threshold internal plate connector of prior art;
Fig. 2 is a kind of front view that have employed threshold internal plate connector of the present invention diel;
Fig. 3 is the perspective view of patrix.
Fig. 4 is the perspective view of counterdie.
Fig. 5 is the perspective view of blank holder mould.
Be labeled as in figure:
1 patrix, insert on 101,102 projections;
2 counterdies, insert in the middle part of in the of 201,202 projection seats, 203 boss, 204 journal stirrups, 205 cylinders, 206 spacing pads, 207 stroke limit guide posts, 208 convex bodys;
3 blank holder moulds, 301 periphery inserts, 302 limited blocks, 303 mounting blocks, 304 discharging cylinders, 305 expellers, 306 supporting convex, 307 guide plates, 308 spacing raised lines, 309 guide plates, 310 spacing preiections.
Detailed description of the invention
Below in conjunction with a kind of accompanying drawing that have employed threshold internal plate connector of the present invention diel, spacing lifting structure of the present invention is described in further detail.Wherein, adopt the exemplary term such as such as upper and lower, left and right for description, object is to help reader understanding, and is not intended to limit.To be marked with the side of F in accompanying drawing for feed side (also can be described as " front side ") in present embodiment.
During concrete enforcement: as shown in Figures 2 to 5, the diel of threshold internal plate connector, comprises overall patrix 1 all in cube structure and counterdie 2; In the lower surface of described patrix 1, subordinate is convex is fixedly installed one piece of upper insert 101;
The corresponding described upper insert 101 of upper surface middle part of described counterdie 2 is fixed epirelief and is provided with one piece of lower insert;
A common formation punching press die cavity between described upper insert 101 and lower insert; Two pieces of threshold internal plate connectors of described punching press die cavity and horizontal positioned and mating shapes in specular shape adjacent with its curved lateral edges;
In described upper insert 101 and lower insert all along the plane of symmetry of above-mentioned image symmetry part in continuously and cooperatively interact concavo-convex, make the curved lateral edges of the threshold internal plate connector processed present continuous print concavo-convex.
The diel of above-mentioned threshold internal plate connector be provided with on patrix 1 above-mentioned on insert 101, counterdie 2 is provided with above-mentioned lower insert, and jointly carrys out an and punching press die cavity of mating shapes in specular shape adjacent with its curved lateral edges with two pieces of threshold internal plate connectors of horizontal positioned by upper and lower insert.So, get final product a punching press monolithic plate and be processed into two pieces of threshold internal plate connectors.And above-mentioned patrix 1 and counterdie 2 entirety are all in cube structure, and patrix 1 and counterdie 2 projection arrange above-mentioned on the mode of insert 101 and lower insert not only structure is more simple, and can change it separately when upper insert 101 and/or lower insert are damaged, thus save mold use and maintenance cost, reduce production cost.
In addition, because of in upper insert 101 and lower insert all along the plane of symmetry of above-mentioned image symmetry part in continuously and cooperatively interact concavo-convex, make the curved lateral edges of the threshold internal plate connector processed present continuous print concavo-convex.The curved lateral edges of the threshold internal plate connector processed compared to prior art is plane, diel of the present invention can make the curved lateral edges of the threshold internal plate connector processed be that continuous print is concavo-convex, thus promoted the structural strength of this lateral edges by this concavo-convex structure, thus improve structural strength and the quality of threshold internal plate connector entirety.
Wherein, described lower insert is overall formed by middle part insert 201 and along a circle periphery insert 301 of described middle part insert 201 periphery; Wherein, described middle part insert 201 entirety is fixed on the upper surface of a projection seat 202, the lower surface of described projection seat 202 is fixed on the upper surface of described counterdie 2 by location structure, the projection of described projection seat 202 surrounding side in the vertical direction drops in the scope of the projection of described middle part insert 201 in the vertical direction;
Also comprise a blank holder mould 3, described blank holder mould 3 is the overall rectangular configuration matched with length and the width dimensions of described counterdie 2, the middle part of described blank holder mould has and matches and the vertical core that vertically can run through for middle part insert 201 described in this with described middle part insert 201 shape and size, and the upper end circumference of described vertical core embeds and is fixedly installed described periphery insert 301;
The spacing lifting structure for being elevated described blank holder mould 3 is provided with between the lower surface of described blank holder mould 3 and the upper surface of described counterdie 2, and when described blank holder mould 3 is positioned at the lowest part on adjustable height direction, described periphery insert 301 fixing on described blank holder mould 3 is formed into profile with the upper surface of the fixing described middle part insert 201 in described projection seat 202.
After adopting the structure of above-mentioned lower insert, projection seat 202 and blank holder mould 3, namely can be elevated blank holder mould 3 by above-mentioned spacing lifting structure; And when described blank holder mould 3 is positioned at the lowest part in adjustable height direction, described periphery insert 301 fixing on described blank holder mould is formed into profile with the upper surface of the fixing described middle part insert 201 in described projection seat 202; So, raise blank holder mould 3 to rise blank holder mould 3 processing member, thus make to process between the lower surface of member and the upper surface of middle part insert 201 and separate, when would not there is feeding like this, process between the lower surface of member and middle part insert 201 upper surface and wipe the situation of touching, thus better ensure the quality processing threshold internal plate connector.
Wherein, described location structure comprises the lower concave space of the upper surface middle part being formed at described counterdie 2, and the middle part epirelief of the bottom surface of described lower concave space is formed with boss 203;
On the side of the circumference of described projection seat 202 lower end, horizontal evagination is arranged at intervals with the journal stirrup 204 of multiple connection, described journal stirrup 204 has vertical countersunk screw holes, the upper surface of described boss 203 has the connecting hole corresponding with described countersunk screw holes, and described projection seat 202 is fixedly mounted on described boss 203 by the screw be arranged in described countersunk screw holes.
After adopting above-mentioned location structure, by the described lower concave space formed on counterdie 2, one not only saves the weight of counterdie 2 entirety and makes material, also makes the design of counterdie 2 more scientific and reasonable by this lower concave space, make the space availability ratio of counterdie 2 higher, structure is more ingenious.In addition, multiple journal stirrups 204 that on the sidewall of the circumference of described projection seat 202 lower end, lateral separation evagination is arranged, not only be more convenient for being connected with fixedly mounting between counterdie 2 projection seat 202 is overall, can also be used for carrying out spacing to the lower end of blank holder mould 3, therefore certain position-limiting action can also be played.
Wherein, the projection of described boss 203 in the vertical direction is consistent with the shape of the projection of described projection seat 202 in the vertical direction.
So, the area of boss 203 top surface area can be made minimum, thus can make boss 203 volume minimum, and then making materials more saved, reduce cost.Meanwhile, because the space adopting the boss 203 of said structure shared in lower concave space is less, therefore can reserve in lower concave space the space being more used for designing other structure, so can make the structural design in lower concave space with utilize more reasonable.
Wherein, described location structure also comprises positioning key, described projection seat 202 is formed jointly with the contact surface of described boss 203 inserts solid locating hole for positioning key, and shape and the size of described locating hole and described positioning key match, and insert intrinsic described positioning key in described locating hole.
The relative motion of projection seat 202 and boss 203 when above-mentioned locating hole and positioning key can prevent pre-determined bit, thus improve the positioning precision of projection seat 202.
Wherein, described locating hole is arrange on horizontal and vertical multiple.
This makes it possible to the transverse and longitudinal coordinate carrying out accurately to determine in the horizontal plane projection seat 202 by multiple locating holes of horizontal and vertical setting, thus further improve the hard-wired precision of projection seat 202, guarantee the machining accuracy of mould.
Wherein, described spacing lifting structure is included in multiple cylinders 205 of the uniform setting in bottom surface of the described lower concave space of the circumference of described boss 203, and the upper end of the push rod of described multiple cylinder 205 is fixedly connected on the lower surface of described blank holder mould 3.
Multiple cylinders 205 in above-mentioned spacing lifting structure, take full advantage of the horizontal space in the described lower concave space of the circumference of described boss 203, can also fully effectively utilize lower concave space height select and the cylinder 205 of applicable height be set.Meanwhile, after cylinder 205 is arranged on lower concave space, is also convenient to arrange and cabling to the tracheae of cylinder 205, thus reduces the assembling difficulty of mold integral.And cylinder 205 is uniform multiple, also can be formed to blank holder mould 3 vertically upper stable lifting support, thus make the motion more balance and stability of blank holder mould 3 on vertical.
Wherein, described spacing lifting structure is also included in the uniform multiple projections be vertically fixedly installed in bottom surface of the described lower concave space of the circumference of described boss 203, and described projection top is fixed with the spacing pad 206 of upper surface level.
When the setting of above-mentioned projection and upper limit pad 206 thereof is positioned at lowest part in vertical height for supporting blank holder mould 3 (now fixing on blank holder mould described periphery insert 301 is formed into profile with the upper surface of the fixing described middle part insert 201 in described projection seat 202), thus stable support can be provided for the punching press of patrix 1, better guarantee the crudy of plate.
Wherein, the stroke limit guide post 207 running through described blank holder mould 3 that the periphery that described spacing lifting structure is also included in the bottom surface of the described lower concave space of the circumference of described boss 203 is vertically fixedly installed, the upper end of described stroke limit guide post 207 has diameter and comparatively greatly also can carry out spacing positive stop end to blank holder mould 3.
Above-mentioned stroke limit guide post 207 is set and can not only keeps blank holder mould 3 accurate location in the plane, more can play the guide effect of the motion to blank holder mould 3 in the vertical direction, thus help the machining accuracy ensureing mould.In addition, after the upper end of stroke limit guide post 207 is provided with above-mentioned positive stop end, can carry out effectively spacing to the stroke that the push rod of cylinder 205 promotes blank holder mould 3 on vertical.
During enforcement, preferred described stroke limit guide post 207 is symmetrically arranged many.
Wherein, described blank holder mould 3 is provided with for carrying out spacing position limiting structure to plate to be processed; Described position limiting structure comprises multiple limited blocks 302 of the bar shaped of the upper surface of the described blank holder mould 3 being fixedly connected on described periphery insert 301 circumference, and on described multiple limited block 302, the projection of one end in the vertical direction of contiguous described periphery insert 301 drops on the outermost side of described periphery insert 301 top surface edge; Corresponding with described multiple limited block 302 and for its upper concave hole fallen on the lower surface that described position limiting structure also comprises described patrix 1.
In above-mentioned position limiting structure, because comprising multiple limited blocks 302 of the upper surface of the described blank holder mould 3 being fixedly connected on described periphery insert 301 circumference, on multiple limited block 302, the projection of the side in the vertical direction of contiguous described periphery insert 301 drops on the outermost side of described periphery insert 301 top surface edge.So, when plate to be processed is put into, the projection of the side in the vertical direction of the contiguous described periphery insert 301 of limited block 302 is utilized to drop on the outermost side of described periphery insert 301 top surface edge, plate can be carried out in the circumferential spacing and shave one's head accurately on blank holder mould 3, thus better ensure the machining accuracy of plate.
Wherein, on described multiple limited block 302, one end of contiguous described periphery insert 301 tilts to the direction away from described periphery insert 301 from lower to upper gradually.
So, the area surrounded between the upper end of multiple limited block 302 is greater than the area that the lucky confession plate to be processed that surrounds between its lower end falls into, be more convenient for so fast and accurately the plate to be processed region from the area surrounded between the upper end of multiple limited block 302 being put into, thus help to improve plate to be processed put into efficiency.
Wherein, described multiple limited block 302 is fixed with block mounting blocks 303 away from one end of described periphery insert 301, described mounting blocks 303 have vertical and be with female installing hole, the upper surface of described blank holder mould 3 is provided with corresponding with described installing hole and coordinates the screwed hole realizing screw and connect, and described multiple limited block 302 is fixedly connected on described blank holder mould 3 by screw.
So, limited block 302 adopts that screw is dismountable to be fixed on blank holder mould 3, is more convenient for installing fast.
Wherein, the diel of above-mentioned threshold internal plate connector also comprises automatic discharging structure;
The feed side of the shortest lateral edges this diel contiguous that described automatic discharging structure comprises in described upper insert 101 and lower insert is arranged;
Described automatic discharging structure also comprises the discharging cylinder 304 be laterally fixed on described blank holder mould 3, the length direction of described discharging cylinder 304 parallels with the mirror symmetry planes of described upper insert 101 and lower insert, and the outer end of the push rod of described discharging cylinder 304 is fixed with the expeller 305 of the shortest lateral edges that can abut when push rod is in rounding state to plate to be processed;
Described automatic discharging structure also comprises that the lower surface being arranged on described patrix 1 is just formed with the part fovea superior of described discharging cylinder 304 can when punching press for the dented space that described discharging cylinder 304 falls into.
After being provided with above-mentioned automatic discharging structure, after the feed side of this threshold internal plate connector diel contiguous of the shortest lateral edges in upper insert 101 and lower insert is arranged, upper insert 101 relative with the shortest side with in lower insert and away from feed side side be longer side.So, after the above-mentioned diel of employing makes sheet metal forming, start discharging cylinder 304 and push rod can be made to promote to process member, and go out from the longer side dumping away from feed side, thus carry out automatic discharging, eliminate workload and the time of manual cleaning, improve efficiency.
During enforcement, undertaking swash plate can be set processing member whereabouts place, and also can be used for device this processes the box for putting (not shown) of member arranging bottom of this undertaking swash plate.
Wherein, " Jiong " type structure of the entirety of described expeller 305 to be outer end be opening, and the horizontal evagination in the lower end of short transverse in outermost face is formed with supporting convex 306, the upper surface of described supporting convex 306 when punching press and the lower surface of the shortest lateral edges of plate to be processed fit.
So, the supporting convex 306 on the end face of expeller 305 outermost end and this end face can carry out spacing in punching press to the shortest lateral edges on plate to be processed; And after machining, can promote processing member by the supporting convex 306 on the end face of expeller 305 outermost end and this end face and exert a force, can effectively prevent expeller 305 to promote to process the relative sliding that occurs in the process of member plate causes cannot the problem of discharging.
Wherein, described expeller 305 is obtained by polyurethane material.
Not only price is lower to utilize polyurethane material, can reduce manufacturing cost; In addition, obtained expeller 305 also has wearability and absorbing, thus the while that this expeller 305 can being made to promote effective, makes this expeller 305 more durable in use.
During enforcement, upper insert 101 relative with the shortest side with in lower insert and away from feed side side be longer side, after being provided with above-mentioned position limiting structure, the limited block 302 being positioned at longer side is fixedly mounted on can the upper end of push rod of cylinder 205 of vertical motion, and can when needs discharging, start this cylinder 205 and can come downwards to upper surface place lower than described lower insert to make the above-mentioned limited block 302 being positioned at longer side, thus can not the automatic discharging processing member be stopped, and then automatic discharging can be carried out smoothly.
Wherein, the diel of above-mentioned threshold internal plate connector also comprises the guiding fit structure of blank holder mould 3 and counterdie 2; The convex body 208 of four rectangular configuration that the corner place epirelief that described guiding fit structure comprises the upper surface of described counterdie 2 is fixedly installed; Corner place on described blank holder mould 3 has four corresponding breach of convex body 208 described with four; Each side of described four breach is fixedly installed one piece and can be affixed tactile guide plate 307 with the side of corresponding convex body 208, the side in described convex body 208 circumference is the guide surface coordinated with described guide plate 307.
In the guiding fit structure of above-mentioned blank holder mould and counterdie 2, the effect of guide pillar is served by the above-mentioned convex body 208 be arranged on counterdie 2, again by the breach on the blank holder mould 3 corresponding with this convex body 208, and on this side, be fixedly installed described guide plate 307 formed with described convex body 208 and coordinate guide frame, visible, the guiding fit structure of above-mentioned blank holder mould and counterdie 2 have employed above-mentioned rational structural design to ensure between blank holder mould and counterdie 2 while relative motion accurately, also there is the advantage that structure simplifies, be convenient to the making and the design difficulty that reduce diel entirety.
Wherein, the upper outside projection in side that described guide plate 307 is fixedly mounted on is equipped with the spacing raised line 308 abutted against with the upper end face of described guide plate 307, and the height of described spacing raised line 308 outside on convex direction is lower than the thickness of described guide plate 307.
Because of when punching press, patrix 1 first compresses downwards blank holder mould 3 and descending, and bears huge patrix 1 simultaneously and press down thrust, because above-mentioned convex body 208 is motionless, can be subject to larger frictional force straight up when the guide block on blank holder mould 3 contacts with convex body 208; Therefore the guide plate 307 that can effectively prevent above-mentioned frictional force straight up from causing after being provided with above-mentioned spacing raised line 308 loosens or displacement, and then better ensure the accurate pointing motion between blank holder mould 3 and counterdie 2.
Wherein, what the diel of above-mentioned threshold internal plate connector also comprised blank holder mould 3 and patrix 1 coordinates guide frame; The projection 102 of two middle side parts that described cooperation guide frame comprises the upper surface of described patrix 1 and the perpendicular direction of the feedstock direction lower convex rectangular configuration be fixedly installed respectively; Described blank holder mould 3 is formed with sagging space with described projection 102 corresponding section is recessed;
In described sagging space, mutually perpendicular side is fixedly installed guide plate 309 respectively, the side in the circumference of described projection 102 is the guide surface coordinated with described guide plate 309.
Above-mentioned blank holder mould coordinates in guide frame with counterdie 2, the effect of guide pillar is served by the above-mentioned projection 102 be arranged on counterdie 2, again by the sagging space on the blank holder mould 3 corresponding with this projection 102, and mutually perpendicular side is fixedly installed described guide plate 309 in this sagging space and is formed with described projection 102 and coordinate guide frame, so just X in same plane and Y-direction can play precisely spacing effect.Visible, the guide frame that coordinates of above-mentioned blank holder mould and counterdie 2 have employed above-mentioned rational structural design to ensure between blank holder mould and counterdie 2 while relative motion accurately, also be provided with the advantage that structure simplifies, be convenient to the making and the design difficulty that reduce diel entirety.
Wherein, the upper outside projection in side that described guide plate 309 is fixedly mounted on is equipped with the spacing preiection 310 of bar shaped, the upper surface of described spacing preiection 310 and the rear surface of described guide plate 309 abut against, and the height of described spacing preiection 310 outside on convex direction is lower than the thickness of described guide plate 309.
Because of when punching press, patrix 1 its projection 102 descending contacts with the guide pad in the sagging space of blank holder mould 3 at first and produces downward Friction thrust, therefore the guide plate 309 that can effectively prevent above-mentioned Friction thrust from causing after being provided with above-mentioned spacing preiection 310 loosens or displacement, and then better ensure the accurate relative motion between blank holder mould 3 and patrix 1.
Below be only the preferred embodiment of the present invention; need point out be; for those skilled in the art under the prerequisite not departing from the technical program, can also make some distortion and improvement, the technical scheme of above-mentioned distortion and improvement should be considered as falling into the scope that this application claims protection equally.
Claims (3)
1. the spacing lifting structure of the blank holder mould of threshold internal plate connector diel, wherein, the diel of threshold internal plate connector comprises the patrix, blank holder mould and the counterdie that set gradually from top to bottom; The lower surface of described patrix is fixedly installed insert, corresponding with described upper insert and for stamping forming lower insert by middle part insert and enclose periphery insert along one of described middle part insert periphery and formed; Described middle part insert entirety is fixed on the upper surface of a projection seat, and described projection seat entirety is fixed on a convex-shaped and is formed on the boss of the bottom surface of the lower concave space of the upper surface of described counterdie; Described periphery insert embeds the middle part being fixedly installed on described blank holder mould and has cross section and the described middle part insert edge in the upper end of the consistent vertical core of the projection of shape of vertical direction; It is characterized in that: described spacing lifting structure is included in multiple cylinders of the uniform setting in bottom surface of the described lower concave space of the circumference of described boss, the upper end of the push rod of described multiple cylinder is fixedly connected on the lower surface of described blank holder mould.
2. the spacing lifting structure of the blank holder mould of threshold internal plate connector according to claim 1 diel, it is characterized in that: described spacing lifting structure is also included in the uniform multiple projections be vertically fixedly installed in bottom surface of the described lower concave space of the circumference of described boss, and described projection top is fixed with the spacing pad of upper surface level.
3. the spacing lifting structure of the blank holder mould of threshold internal plate connector according to claim 1 diel, it is characterized in that: the stroke limit guide post running through described blank holder mould that the periphery that described spacing lifting structure is also included in the bottom surface of the described lower concave space of the circumference of described boss is vertically fixedly installed, the upper end of described stroke limit guide post has diameter and comparatively greatly also can carry out spacing positive stop end to blank holder mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912959.7A CN105537417A (en) | 2015-12-11 | 2015-12-11 | Limiting lifting structure of blank holder mold of door sill inner plate connecting piece punching mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510912959.7A CN105537417A (en) | 2015-12-11 | 2015-12-11 | Limiting lifting structure of blank holder mold of door sill inner plate connecting piece punching mold |
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| CN105537417A true CN105537417A (en) | 2016-05-04 |
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| CN103406455A (en) * | 2013-08-28 | 2013-11-27 | 重庆至信实业有限公司 | Drawing forming die for rear section of lateral tail board of rear end of sports utility vehicle (SUV) |
| CN104438589A (en) * | 2014-09-12 | 2015-03-25 | 柳州五菱汽车有限责任公司 | Automobile front wall plate lower extending piece punching technology and die |
| CN204770195U (en) * | 2015-06-23 | 2015-11-18 | 山东宇傲工程机械有限公司 | Drawing die |
| CN205253901U (en) * | 2015-12-11 | 2016-05-25 | 重庆大发天地机械制造工业有限公司 | Vertical motion structure of sill plate inner panel connecting piece stamping die's blank holder mould |
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